Whistle

Whistle (ホイッスル) is a FANLOID character.

History
Whistle was originally a average human otaku who found interest in Kagamine Rin and Len. The next day after purchasing a broken copy, he became a Fanloid somehow who couldn't sing, but has a thing for instruments like whistles and slide whistles.

Etymology
Whistle gained his name originally as an insult but then grew as his unofficial nickname. His human name is unknown.

Appearance
Whistle first appeared as an average school student with short black hair and eyes. Once he woke up, he changed attire and his hair and eye color inverted; becoming a snow white.